<template>
  <div ref="Homepanel">
    <HomePanel title="热门品牌" sub-title="国际经典 品质保证">
      <template v-slot:right>
        <a
          @click="toggle(-1)"
          :class="{ disabled: index === 0 }"
          href="javascript:;"
          class="iconfont icon-angle-left prev"
        ></a>
        <a
          @click="toggle(1)"
          :class="{ disabled: index === 1 }"
          href="javascript:;"
          class="iconfont icon-angle-right next"
        ></a>
      </template>

      <div class="box">
        <ul
          v-if="brands.length"
          class="list"
          :style="{ transform: `translateX(${-index * 1240}px)` }"
        >
          <li v-for="item in brands" :key="item.id">
            <RouterLink to="/">
              <img :src="item.picture" alt="" />
            </RouterLink>
          </li>
        </ul>
      </div>
    </HomePanel>
  </div>
</template>

<script>
import HomePanel from "@/components/panelView.vue";
import { remen } from "@/utils/Api/NavText";
import { lazyload } from "@/utils/IntersectionObserver";
export default {
  name: "HomeBrand",
  data() {
    return {
      brands: [],
      index: 0,
    };
  },
  components: { HomePanel },
  methods: {
    toggle(step) {
      const newIndex = this.index + step;
      if (newIndex < 0 || newIndex > 1) return;
      this.index = newIndex;
    },
    async remens() {
      let res = await remen();
      this.brands = res.result;
    },
  },
  mounted() {
    // this.remens();
    lazyload(this.$refs.Homepanel,this.remens)
  },
};
</script>

<style scoped lang="scss">
.home-panel {
  background: #f5f5f5;
}
.iconfont {
  width: 20px;
  height: 20px;
  background: #ccc;
  color: #fff;
  display: inline-block;
  text-align: center;
  margin-left: 5px;
  background: #27ba9b;
  &::before {
    font-size: 12px;
    position: relative;
    top: -2px;
  }
  &.disabled {
    background: #ccc;
    cursor: not-allowed;
  }
}
.box {
  display: flex;
  width: 100%;
  height: 345px;
  overflow: hidden;
  padding-bottom: 40px;
  .list {
    width: 200%;
    display: flex;
    transition: all 1s;
    li {
      margin-right: 10px;
      width: 240px;
      &:nth-child(5n) {
        margin-right: 0;
      }
      img {
        width: 240px;
        height: 305px;
      }
    }
  }
}
// .bigbox{
//   display: flex;
// }
</style>
